CN110074946B - A wrist function rehabilitation training device - Google Patents
A wrist function rehabilitation training device Download PDFInfo
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- CN110074946B CN110074946B CN201910519789.4A CN201910519789A CN110074946B CN 110074946 B CN110074946 B CN 110074946B CN 201910519789 A CN201910519789 A CN 201910519789A CN 110074946 B CN110074946 B CN 110074946B
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- 210000000707 wrist Anatomy 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 210000004247 hand Anatomy 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 4
- 208000024827 Alzheimer disease Diseases 0.000 description 1
- 206010019468 Hemiplegia Diseases 0.000 description 1
- 208000018737 Parkinson disease Diseases 0.000 description 1
- 206010039966 Senile dementia Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006806 disease prevention Effects 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 208000020431 spinal cord injury Diseases 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0218—Drawing-out devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0274—Stretching or bending or torsioning apparatus for exercising for the upper limbs
- A61H1/0285—Hand
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/16—Physical interface with patient
- A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
- A61H2201/1635—Hand or arm, e.g. handle
- A61H2201/1638—Holding means therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/06—Arms
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
本发明公开一种手腕功能康复训练装置，包括外部机壳、手臂托、传动旋转角度控制机构、前后左右调节机构和手抓握部分，用于实现手腕的弯曲伸展及挠动功能，配合左手(右手)实现手部的抓握功能及腕部功能的同时训练，帮助患者实现腕部及手部功能，从而达到腕部及手部的康复。该装置具有操作简单的效果，同时还能够实现不同长短手臂和不同大小的手的康复训练，调节性、通用性和适用性强。
The invention discloses a wrist function rehabilitation training device, comprising an external casing, an arm support, a transmission rotation angle control mechanism, a front-back, left-right adjustment mechanism and a hand grasping part, which are used to realize the functions of bending, stretching and flexing the wrist, and cooperate with the left hand ( Right hand) to realize the simultaneous training of the grasping function of the hand and the function of the wrist, helping the patient to realize the function of the wrist and hand, so as to achieve the rehabilitation of the wrist and hand. The device has the effect of simple operation, and at the same time, it can also realize the rehabilitation training of different lengths of arms and hands of different sizes, and has strong adjustment, versatility and applicability.
Description
Technical Field
The invention relates to the technical field of medical rehabilitation equipment, in particular to a wrist function rehabilitation training device.
Background
Aiming at the hand disabilities caused by the pathogenies of hemiplegia, hand trauma, spinal cord injury, Parkinson's disease, senile dementia and the like caused by insufficient disease prevention, medical equipment in hospitals has long treatment period and slow improvement of limb functions, and patients are difficult to achieve daily life self-care, and the existing auxiliary training equipment for correcting and recovering the hand functions has high cost and is difficult to bear and use by common families. There is a need to develop a new wrist rehabilitation device that solves the above problems.
Disclosure of Invention
The invention aims to provide a wrist function rehabilitation training device, which solves the problems in the prior art, has the effect of simple operation, can realize rehabilitation training of arms with different lengths and hands with different sizes, and has strong adjustability, universality and applicability.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a wrist function rehabilitation training device, which comprises an external shell, an arm support, a transmission rotation angle control mechanism, a front-back left-right adjusting mechanism and a hand grasping part, wherein the arm support and the transmission rotation angle control mechanism are sequentially and adjacently fixed on the external shell,
the transmission rotation angle control mechanism comprises a base cover plate, a linear driver, a bearing seat, a driving block and a guide rod, wherein the base cover plate is fixedly arranged on the external machine shell, one end of the linear driver is arranged on the base cover plate through a fixed seat, the other end of the linear driver is matched and arranged with an inner ring of a bearing arranged in the bearing seat on the base cover plate through the driving block, and the guide rod is fixedly arranged on the driving block;
the front, back, left and right adjusting mechanism comprises a guide block, the guide block is connected to the guide rod in a sliding mode, and the hand grasping portion is fixed to the top of the guide block.
Preferably, one end of the linear driver is connected with the fixed seat through a pin shaft A, and the other end of the linear driver is connected with the driving block through a pin shaft B.
Preferably, the bottom end of the driving block is placed in the bearing, and a circumferential bearing pressing block is arranged at the joint of the driving block and the bearing in the bearing.
Preferably, the top of the driving block is provided with a guide groove, and one end of the guide rod is placed in the guide groove and fixed by a screw.
Preferably, the guide block is a hollow rectangular guide block, the guide rod is connected with the hollow cavity of the guide block in a matching manner, an opening is reserved at one side edge of the hollow guide block, and a baffle is arranged at the opening.
Preferably, a threaded hole is reserved in the other side edge of the guide block, and a fastening screw is connected with the threaded hole in a matched mode.
Preferably, the top of the guide block is provided with an arc-shaped groove which is matched and installed with the bottom end of the hand gripping part.
Preferably, the arm support is provided with a slotted hole, and the slotted hole is used for penetrating through the binding band.
Preferably, the hand grasping portion comprises a grasping rod and a wrist supporting arc plate, two ends of the wrist supporting arc plate are fixedly connected with two ends of the grasping rod through connecting rods, and the grasping rod is fixed to the top of the guide block.
Compared with the prior art, the invention has the following technical effects:
1. according to the wrist function rehabilitation training device, the front-back left-right adjusting mechanism is matched with the arm support device, and front-back adjustment is performed by screwing the right high-head knurled screw M4x8 for fixation, so that the wrist function rehabilitation training device is simple to operate, can realize rehabilitation training of arms with different lengths and hands with different sizes, and is high in adjustability, universality and adaptability.
2. The high-head knurled screw M4x8 at the front end of the left-right adjusting device is screwed to rotate the circular arc in the hand fixing device, so that the switching between stretching, bending and scratching of the wrist function can be realized, and the operation is simple and rapid.
3. The rotation angle transmission mechanism easily converts linear motion into rotary motion, and the rotation angle is controlled by controlling the stroke change of the linear driver through software, so that the rotation angle can be adjusted and controlled.
4. The hand grasping device at the front end is removed, the left-hand (right-hand) function rehabilitation training device can be replaced, simultaneous training of the hand and the wrist is realized, the exchange of rehabilitation exercise tools is easily realized without any operation tool, the operation is simple and convenient, and the universality and the adaptability are strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a wrist function rehabilitation training device;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a structural view of a transmission rotational angle control mechanism;
FIG. 4 is a side sectional view of FIG. 3;
FIG. 5 is a rear elevational view of FIG. 3;
FIG. 6 is a sectional view taken along the line A in FIG. 5 (the connection between the guide rod and the driving block);
FIG. 7 is a schematic view showing the rotation angle of the guide bar;
FIG. 8 is a structural view of a front, rear, left and right adjusting mechanism;
FIG. 9 is a sectional view of the guide block attachment;
FIG. 10 is a sectional view taken along line B of FIG. 8 (curved chute);
wherein, 1, a base cover plate; 2, a pin shaft A; 3, a rear fixing seat of the driver; 4, tightening a set screw at the flat end of the inner hexagon; 5 a linear actuator; 6, a pin shaft B; 7, inner hexagonal countersunk head screws; 8 driving the block; 9, bearing seats; 10 bearing; 11, inner hexagonal countersunk head screws; 12 bearing pressing blocks; 13 a guide rod; 14 hexagon socket countersunk head screw; 15 hexagon socket countersunk flat head screw; 16 a guide block; 17 a hand gripping portion; 18 a baffle plate; 19 an inner hexagonal flat head set screw; 20 high-headed knurled screws; 21, arm supports; 22 an outer housing; 23 transmitting a rotation angle control mechanism; 24 front-back left-right adjusting mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a wrist function rehabilitation training device, which solves the problems in the prior art, has the effect of simple operation, can realize rehabilitation training of arms with different lengths and hands with different sizes, and has strong adjustability, universality and applicability.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-10, fig. 1 is a schematic diagram of an overall structure of a wrist function rehabilitation training device; FIG. 2 is a top view of FIG. 1; FIG. 3 is a structural view of a transmission rotational angle control mechanism; FIG. 4 is a side sectional view of FIG. 3; FIG. 5 is a rear elevational view of FIG. 3; FIG. 6 is a sectional view taken along the line A in FIG. 5 (the connection between the guide rod and the driving block); FIG. 7 is a schematic view showing the rotation angle of the guide bar; FIG. 8 is a structural view of a front, rear, left and right adjusting mechanism; FIG. 9 is a sectional view of the guide block attachment; fig. 10 is a sectional view (arc chute) taken along the direction B in fig. 8.
As shown in fig. 1-10, the present invention provides a wrist function rehabilitation training device, which comprises an external casing 22, an arm support 21, a transmission rotation angle control mechanism 23, a front-back left-right adjusting mechanism 24 and a hand grasping portion 17, wherein the arm support 21 and the transmission rotation angle control mechanism 23 are sequentially and adjacently fixed on the external casing 22,
the transmission rotation angle control mechanism 23 comprises a base cover plate 1, a linear driver 5, a bearing seat 9, a driving block 8 and a guide rod 13, wherein the base cover plate 1 is fixedly arranged on an external machine shell 22, one end of the linear driver 5 is arranged on the base cover plate 1 through a fixed seat, the other end of the linear driver is arranged in a matching way with an inner ring of a bearing 10 arranged in the bearing seat 9 on the base cover plate 1 through the driving block 8, and the guide rod 13 is fixedly arranged on the driving block 8; the front-rear-left-right adjusting mechanism 24 includes a guide block 16, the guide block 16 is slidably attached to the guide bar 13, and a hand gripping portion 17 is fixed to the top of the guide block 16.
Further, the transmission rotational angle control mechanism 23 section:
the linear driver 5 is placed into the rear fixing seat 3 of the driver, the linear driver and the rear fixing seat are connected through a pin shaft A2, the pin shaft A2 is tightly propped by the flat end set screw 4 of the inner hexagon of M2x4, and then the rear fixing seat 3 of the driver is fixed on the base cover plate 1 through the inner hexagon countersunk head screw 7 of M3x10, so that the rear fixing seat is fixed firmly.
The bearing 10 is placed in the bearing seat 9, the bearing seat 9 is fixed on the base cover plate 1 through the inner hexagon countersunk head screw 14 of M5x12, the driving block 8 is tapped into the fixed bearing 10, the bearing pressing block 12 is sleeved on the driving block 8 and pressed into the inner ring of the bearing 10, the guide rod 13 is placed in the guide groove at the upper end of the driving block 8, and the guide rod 13 and the driving block 8 are firmly fixed through the inner hexagon countersunk head screw 15 of M6x 25.
The hexagon socket countersunk head screw 11 of M5x18 passes through the hole of the bearing seat 9, is screwed into the threaded hole of the base cover plate 1, and then is inserted into the 90-degree rotary guide groove of the guide rod 13.
The driving end of the linear driver 5 is connected with the driving block 8 by a pin B6, and then is tightly pressed by an inner hexagonal flat end set screw 4 to prevent the pin B6 from rotating.
The transmission rotation angle control mechanism 23 drives the driving block 8 to rotate through the change of the linear stroke of the linear driver 5, the driving block 8 drives the guide rod 13 to rotate, and the rotation swing angle is controlled through the guide of the 90-degree rotation guide groove of the guide rod 13 and the change of the stroke of the linear driver 5.
Further, the front-rear left-right adjusting mechanism 24 section:
the guide block 16 is a hollow rectangular guide block 16, the guide rod 13 is connected with the hollow cavity of the guide block 16 in a matching manner, an opening is reserved at one side edge of the hollow guide block 16, and a baffle 18 is arranged at the opening. The hand-held portion 17 is first placed in the guide block 16, the baffle plate is then inserted from the edge of the guide block 16, the threaded hole of the guide block 16 is aligned with the pre-prepared hole of the guide block 16, the guide block is fixed by the hexagon socket flat head set screw 19 of M3x6, and the high head knurled screw 20 of M4x8 is screwed into the threaded hole of the guide block 16.
The assembled guide block 16 is slid onto the guide bar 13 from the front end of the guide bar 13, and the guide block 16 is freely slidable back and forth from the guide bar 13.
In the front-rear left-right adjusting mechanism 24, the guide block 16 can slide freely on the guide rod 13, and the guide block 16 can stay at any position of the guide rod 13, and is screwed into the concave groove of the guide rod 13 by the high-headed knurled screw 20 of M4x8 to be tightly pressed and fixed.
The hand-gripping part 17 can slide freely in the guide block 16 and move in a circular arc, and the hand-gripping part 17 can also stay at any position of the guide block 16 and is screwed into the concave groove of the hand-gripping device through the high-head knurled screw 20 of M4x8 to be tightly pressed and fixed.
Besides, the hand grasping portion 17 comprises a grasping rod and a wrist supporting arc plate, the two ends of the wrist supporting arc plate are fixedly connected with the two ends of the grasping rod through connecting rods, and the grasping rod is fixed at the top of the guide block 16.
The wrist function rehabilitation training device comprises the following steps:
taking the training of stretching and bending of the left wrist as an example, the left arm is placed in the arm support 21 device, and the left arm is fixed by a binding band passing through a slot hole on the arm support 21 to prevent the arm from slipping. The guide block 16 is slid back and forth by holding the hand grip lever in the hand grip portion 17 with a hand, and a comfortable position is found and tightened with the M4x8 high-headed knurled screw 20. The linear driver 5 is electrified, the guide rod 13 is driven to swing left and right through the change of the linear stroke, the swing angle is +/-45 degrees, so that the stretching and bending of the left wrist are realized, the reciprocating training is carried out, and the stretching and bending functions of the wrist are further exercised.
Taking the training of the left wrist as an example, the left arm is put into the arm support 21 device, the left arm is fixed by a binding band, the hand gripping rod of the left-right adjusting device is screwed to the horizontal position, the left-right adjusting device is pressed by the high-head knurled screw 20 of M4x8, the hand gripping rod is held by the hand, after the comfortable position is found and fixed, the linear driver 5 is electrified, the linear motion is converted into the swing of the guide rod 13, and the guide rod 13 drives the wrist to move in the left-right direction, so that the repetitive passive training of the left-right wrist bending function is realized.
Similarly, the functional training of the right wrist is realized by the arm support 21 adjusting device and the front, back, left and right adjusting device.
Meanwhile, the front-back left-right adjusting mechanism 24 can be detached from the device, and a left-hand (right-hand) rehabilitation training device is placed on the device, so that simultaneous rehabilitation training of five fingers and wrists is realized. The device has strong universality.
The wrist function rehabilitation training device realizes the functions of bending, stretching and flexing the wrist, realizes the simultaneous training of the grasping function and the wrist function of the hand by matching with the left hand (right hand), and helps the patient to realize the wrist and hand functions, thereby achieving the rehabilitation of the wrist and the hand.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. The utility model provides a wrist function rehabilitation training device which characterized in that: comprises an external casing, an arm support, a transmission rotation angle control mechanism, a front-back left-right adjusting mechanism and a hand grasping part, wherein the arm support and the transmission rotation angle control mechanism are sequentially and adjacently fixed on the external casing,
the transmission rotation angle control mechanism comprises a base cover plate, a linear driver, a bearing seat, a driving block and a guide rod, wherein the base cover plate is fixedly arranged on the external casing, one end of the linear driver is arranged on the base cover plate through a fixed seat, the other end of the linear driver is matched and arranged with an inner ring of a bearing arranged in the bearing seat on the base cover plate through the driving block, the guide rod is fixedly arranged on the driving block, and an inner hexagonal countersunk head screw penetrates through a bearing seat hole and is screwed into a threaded hole of the base cover plate and then is inserted into a 90-degree rotary guide groove of the guide rod;
the front, back, left and right adjusting mechanism comprises a guide block, the guide block is connected to the guide rod in a sliding mode, and the hand grasping portion is fixed to the top of the guide block.
2. The wrist function rehabilitation training device of claim 1, wherein: one end of the linear driver is connected with the fixed seat through a pin shaft A, and the other end of the linear driver is connected with the driving block through a pin shaft B.
3. The wrist function rehabilitation training device of claim 1, wherein: the bottom end of the driving block is placed in the bearing, and a circumferential bearing pressing block is arranged at the connecting position of the driving block and the bearing in the bearing.
4. The wrist function rehabilitation training device of claim 1, wherein: the top of the driving block is provided with a guide groove, and one end of the guide rod is placed in the guide groove and fixed by a screw.
5. The wrist function rehabilitation training device of claim 1, wherein: the guide block is a hollow rectangular guide block, the guide rod is connected with the hollow cavity of the guide block in a matched mode, an opening is reserved in one side edge of the hollow guide block, and a baffle is arranged at the opening.
6. The wrist function rehabilitation training device of claim 5, wherein: and a threaded hole is reserved on the other side edge of the guide block, and a fastening screw is connected with the threaded hole in a matched manner.
7. The wrist function rehabilitation training device of claim 5, wherein: the top of the guide block is provided with an arc-shaped groove which is matched and installed with the bottom end of the hand grasping part.
8. The wrist function rehabilitation training device of claim 1, wherein: the arm support is provided with a slotted hole, and the slotted hole is used for penetrating through the bandage.
9. The wrist function rehabilitation training device of claim 1, wherein: the hand grasping part comprises a grasping rod and a wrist supporting arc plate, the two ends of the wrist supporting arc plate are fixedly connected with the two ends of the grasping rod through connecting rods, and the grasping rod is fixed to the top of the guide block.
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| CN201910519789.4A CN110074946B (en) | 2019-06-17 | 2019-06-17 | A wrist function rehabilitation training device |
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| CN201910519789.4A CN110074946B (en) | 2019-06-17 | 2019-06-17 | A wrist function rehabilitation training device |
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| CN110074946B true CN110074946B (en) | 2021-02-09 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110522611A (en) * | 2019-09-27 | 2019-12-03 | 南京可信机器人研究院有限公司 | An arm extension rehabilitation training device with adjustable tensile strength |
| CN112842830B (en) * | 2020-12-30 | 2023-03-10 | 江苏集萃微纳自动化系统与装备技术研究所有限公司 | Exoskeleton knee joint driving structure and method based on flexible cam system |
| CN114469651A (en) * | 2022-02-21 | 2022-05-13 | 山东海天智能工程有限公司 | Wrist swing mechanism of hand function rehabilitation training system |
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| CN107361994A (en) * | 2017-07-26 | 2017-11-21 | 山东海天智能工程有限公司 | Hand rehabilitation training device with wrist rehabilitation training function |
| CN107928983A (en) * | 2017-12-05 | 2018-04-20 | 彭煜翔 | A kind of upper-limbs rehabilitation training robot |
| CN208823339U (en) * | 2017-12-07 | 2019-05-07 | 同济大学浙江学院 | The holding mechanism of wrist joint device for healing and training |
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Denomination of invention: A wrist function rehabilitation training device Granted publication date: 20210209 Pledgee: Agricultural Bank of China Limited Tai'an Mount Taishan Sub branch Pledgor: SHANDONG HAITIAN INTELLIGENT ENGINEERING Co.,Ltd. Registration number: Y2024980059732 |